SELECT PROCES.ID, PROCES.PozKratica, PROCES.NAZIV
FROM tblNalog INNER JOIN (PROCES INNER JOIN ArhivaNalog ON PROCES.ID = ArhivaNalog.IDdijela) ON tblNalog.nalogID = ArhivaNalog.nalogID
WHERE tblNalog.nalogID=[Forms]![frmEvidencijaRadnici]![subEvidencija].[Form]![IDnaloga] OR
[Forms]![frmEvidencijaRadnici]![subEvidencija].[Form]![IDnaloga] is Null
ORDER BY PROCES.PozKratica;